I just installed a fresh copy of Windows 7 and have mapped a drive to my SharePoint "Shared Documents" folder. I am able to open, save, and delete files and folders. However, I am unable to rename files and folders. No matter how long of short of a name I use I get the following error:
"The file name you specified is not valid or too long. Specify a different file name."
I've mapped the "S" drive to http://hostname.domain.com/Shared Documents/
I am a SharePoint Admin, and have confirmed that if I do not have this problem if I log into SharePoint with IE. I have also confirmed that others are not experiencing this issue. Also, this issue did not exist on my previous installation of Windows 7. Therefore I assume this is a config issue.
Also, in "My Computer" it shows the mapped SharePoint drive as a "FAT" filesystem.